Formby Bay Weather Forecast

    • 9
    • 23

    Mostly sunny

    • 12
    • 24

    Possible shower

    • 12
    • 22

    Shower or two

    • 11
    • 19

    Becoming windy. Partly cloudy

    • 10
    • 22

    Partly cloudy

    • 13
    • 25

    Partly cloudy

    • 14
    • 22

    Showers

Today 23 Sep Yorke Peninsula

Sunny. Winds northeasterly 15 to 20 km/h becoming light in the middle of the day then becoming east to northeasterly 15 to 20 km/h in the late evening. Daytime maximum temperatures in the low to mid 20s.

Central Coastal Waters

Wind
Northeasterly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Mostly sunny.
Weather Situation
A high pressure system centred over the Tasman Sea extends a ridge over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday. The trough will slip southeastwards over southern coasts during Thursday and Friday, before being confined to the west over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Formby Bay Temperature Statistics View More

September Temperature

Stenhouse Bay (24km)

  • Lowest 17 September, 2026

    6.7 °C

  • Average September

    14.3 °C

  • Highest 19 September, 2026

    27.4 °C

Climate (2021–2026)

Stenhouse Bay (24km)

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  • Average Low 2021–2026

    13.2 °C

  • Average 2021–2026

    16.1 °C

  • Average High 2021–2026

    20.5 °C
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